Date: Thu, 14 Nov 1996 20:32:40 +0200 (EET) From: Seppo Kallio <kallio@cc.jyu.fi> To: Nadav Eiron <nadav@barcode.co.il> Cc: freebsd-questions@freebsd.org Subject: Re: arp info overwritten Message-ID: <Pine.NEB.3.92.961114201829.27274A-100000@silmu.cc.jyu.fi> In-Reply-To: <Pine.BSF.3.91.961114170818.2503A-100000@gatekeeper.barcode.co.il>
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On Thu, 14 Nov 1996, Nadav Eiron wrote: > > This problem and error message appears only in the FreeBSD nodes, not in > > Solaris, Linux, HP/UX etc. as far as I know. > > > > Nov 14 12:00:01 silmu /kernel: arp info overwritten for 130.234.137.43 by > > 00:00:0c:15:e7:0d > > Nov 14 12:00:30 silmu /kernel: arp info overwritten for 130.234.137.43 by > > 08:00:07:94:74:83 > > Nov 14 12:01:28 silmu /kernel: arp info overwritten for 130.234.137.46 by > > 00:00:0c:15:e7:0d > > Nov 14 12:01:55 silmu /kernel: arp info overwritten for 130.234.141.6 by > > 00:a0:24:67:9a:e4 > > Nov 14 12:05:23 silmu /kernel: arp info overwritten for 130.234.138.11 by > > 00:00:0c:15:e7:0d > > Nov 14 12:05:23 silmu /kernel: arp info overwritten for 130.234.138.11 by > > 00:00:c0:d3:6f:a3 > > These messages are very plain: > You have *two* nodes who claim to have an IP address of 130.234.138.11, > one with a MAC (ethernet) address of 00:a0:24:67:9a:e4, and the other > with a MAC address of 00:00:c0:d3:6f:a3. > > Find out where those nodes are, change the IP address on one of them, and > those messages should go away. What about this 00:00:0c:15:e7:0d? What's it's ip number? 130.234.137.43, 130.234.137.46 or 30.234.138.11? It has 3 different (!) ip numbers in 5 minutes. Maybe I included too few lines of /var/log/messages. Here you have more ip numbers and ethernet address. Note how often this 00:00:0c:15:e7:0d (*) appears and how often it is CHANGING it's own ip number! The date is Nov 14 all owwrwrites listed in that day. At every occasion of overwrite one terminal (micro) connection goes down and one angry FreeBSD user is complaining about how bad things work here ... yes, about 2-3 in 10 minutes. 08:43:30 overwritten for 130.234.137.67 by 00:00:0c:15:e7:0d * 08:49:59 overwritten for 130.234.137.67 by 08:00:07:37:d3:4b 09:24:57 overwritten for 130.234.137.67 by 00:00:0c:15:e7:0d * 09:26:14 overwritten for 130.234.137.67 by 08:00:07:37:d3:4b 09:34:04 overwritten for 130.234.141.7 by 00:00:0c:15:e7:0d * 09:46:18 overwritten for 130.234.141.7 by 00:a0:24:76:66:da 09:53:54 overwritten for 130.234.137.38 by 00:00:0c:15:e7:0d * 09:55:51 overwritten for 130.234.137.46 by 00:00:0c:15:e7:0d * 09:56:07 overwritten for 130.234.137.46 by 00:05:02:44:16:5a 10:03:29 overwritten for 130.234.139.25 by 00:00:0c:15:e7:0d * 10:04:30 overwritten for 130.234.137.38 by 00:00:c0:f3:77:08 10:04:39 overwritten for 130.234.139.25 by 00:a0:24:59:7b:6f 10:06:52 overwritten for 130.234.137.37 by 00:00:0c:15:e7:0d * 10:06:52 overwritten for 130.234.137.37 by 00:00:c0:49:9c:69 10:10:58 overwritten for 130.234.137.52 by 00:00:0c:15:e7:0d * 10:11:13 overwritten for 130.234.137.52 by 00:05:02:44:91:de 10:28:27 overwritten for 130.234.141.8 by 00:00:0c:15:e7:0d * 10:30:44 overwritten for 130.234.141.8 by 00:a0:24:76:67:09 10:46:33 overwritten for 130.234.99.37 by 00:00:0c:15:e7:0d * 10:46:33 overwritten for 130.234.99.37 by 00:00:c0:80:4a:a1 10:49:59 overwritten for 130.234.137.45 by 00:00:0c:15:e7:0d * 10:50:18 overwritten for 130.234.137.45 by 00:05:02:c4:8a:6b 10:50:45 overwritten for 130.234.141.8 by 00:00:0c:15:e7:0d * 10:50:45 overwritten for 130.234.141.8 by 00:a0:24:76:67:09 10:54:47 overwritten for 130.234.137.20 by 00:00:0c:15:e7:0d * 10:54:47 overwritten for 130.234.137.20 by 00:00:c0:8e:08:67 10:58:09 overwritten for 130.234.137.48 by 00:00:0c:15:e7:0d * 10:58:25 overwritten for 130.234.137.48 by 00:05:02:44:41:c0 11:00:40 overwritten for 130.234.138.13 by 00:00:0c:15:e7:0d * 11:05:54 overwritten for 130.234.138.13 by 00:00:c0:23:78:a3 11:11:05 overwritten for 130.234.141.8 by 00:00:0c:15:e7:0d * 11:11:05 overwritten for 130.234.141.8 by 00:a0:24:76:67:09 11:14:48 overwritten for 130.234.137.20 by 00:00:0c:15:e7:0d * 11:14:48 overwritten for 130.234.137.20 by 00:00:c0:8e:08:67 11:15:00 overwritten for 130.234.139.19 by 00:a0:24:59:7d:52 11:15:18 overwritten for 130.234.137.43 by 00:00:0c:15:e7:0d * 11:19:01 overwritten for 130.234.137.43 by 08:00:07:94:74:83 11:26:18 overwritten for 130.234.138.13 by 00:00:0c:15:e7:0d * 11:28:04 overwritten for 130.234.141.7 by 00:00:0c:15:e7:0d 11:28:12 overwritten for 130.234.141.10 by 00:00:0c:15:e7:0d 11:28:12 overwritten for 130.234.141.10 by 00:a0:24:e7:4c:63 11:30:30 overwritten for 130.234.138.13 by 00:00:c0:23:78:a3 11:34:48 overwritten for 130.234.137.20 by 00:00:0c:15:e7:0d 11:34:48 overwritten for 130.234.137.20 by 00:00:c0:8e:08:67 11:37:00 overwritten for 130.234.141.7 by 00:a0:24:76:66:da 11:39:01 overwritten for 130.234.137.43 by 00:00:0c:15:e7:0d 11:40:01 overwritten for 130.234.137.43 by 08:00:07:94:74:83 11:45:23 overwritten for 130.234.138.11 by 00:00:0c:15:e7:0d 11:45:23 overwritten for 130.234.138.11 by 00:00:c0:d3:6f:a3 11:47:00 overwritten for 130.234.139.19 by 00:00:0c:15:e7:0d 11:48:57 overwritten for 130.234.138.9 by 00:00:0c:15:e7:0d 11:48:57 overwritten for 130.234.138.9 by 00:20:af:c9:66:da 11:50:14 overwritten for 130.234.139.19 by 00:a0:24:59:7d:52 11:50:48 overwritten for 130.234.138.13 by 00:00:0c:15:e7:0d 11:55:04 overwritten for 130.234.138.13 by 00:00:c0:23:78:a3 11:57:48 overwritten for 130.234.99.4 by 00:00:c0:86:8e:2a 12:00:01 overwritten for 130.234.137.43 by 00:00:0c:15:e7:0d 12:00:30 overwritten for 130.234.137.43 by 08:00:07:94:74:83 12:01:28 overwritten for 130.234.137.46 by 00:00:0c:15:e7:0d 12:01:55 overwritten for 130.234.141.6 by 00:a0:24:67:9a:e4 12:05:23 overwritten for 130.234.138.11 by 00:00:0c:15:e7:0d 12:05:23 overwritten for 130.234.138.11 by 00:00:c0:d3:6f:a3 12:07:03 overwritten for 130.234.137.21 by 00:00:c0:44:08:67 12:07:11 overwritten for 130.234.137.52 by 00:00:0c:15:e7:0d 12:07:45 overwritten for 130.234.139.23 by 00:00:0c:15:e7:0d 12:08:52 overwritten for 130.234.137.8 by 00:00:0c:15:e7:0d 12:08:52 overwritten for 130.234.137.8 by 00:a0:24:42:bc:73 12:11:37 overwritten for 130.234.137.4 by 00:00:0c:15:e7:0d 12:13:52 overwritten for 130.234.137.49 by 00:05:02:c4:62:75 12:15:18 overwritten for 130.234.139.23 by 00:a0:24:59:79:9a 12:15:34 overwritten for 130.234.138.13 by 00:00:0c:15:e7:0d 12:15:34 overwritten for 130.234.138.13 by 00:00:c0:23:78:a3 12:16:13 overwritten for 130.234.138.2 by 00:00:0c:15:e7:0d 12:16:13 overwritten for 130.234.138.2 by 00:20:af:ac:fe:c7 12:16:17 overwritten for 130.234.137.25 by 00:00:0c:15:e7:0d 12:16:18 overwritten for 130.234.137.25 by 00:00:c0:de:07:67 12:20:25 overwritten for 130.234.137.4 by 00:a0:24:42:bc:25 12:21:56 overwritten for 130.234.141.6 by 00:00:0c:15:e7:0d 12:28:17 overwritten for 130.234.137.21 by 00:00:0c:15:e7:0d 12:28:17 overwritten for 130.234.137.21 by 00:00:c0:44:08:67 12:30:15 overwritten for 130.234.141.6 by 00:a0:24:67:9a:e4 12:31:48 overwritten for 130.234.141.12 by 00:00:0c:15:e7:0d 12:31:48 overwritten for 130.234.141.12 by 00:a0:24:e7:4d:79 12:35:26 overwritten for 130.234.137.22 by 00:00:0c:15:e7:0d 12:35:26 overwritten for 130.234.137.22 by 00:00:c0:4c:08:67 12:35:34 overwritten for 130.234.138.13 by 00:00:0c:15:e7:0d 12:35:34 overwritten for 130.234.138.13 by 00:00:c0:23:78:a3 12:36:18 overwritten for 130.234.137.25 by 00:00:0c:15:e7:0d 12:36:18 overwritten for 130.234.137.25 by 00:00:c0:de:07:67 12:39:31 overwritten for 130.234.137.43 by 00:00:0c:15:e7:0d 12:39:54 overwritten for 130.234.137.43 by 08:00:07:94:74:83 12:40:24 overwritten for 130.234.138.11 by 00:00:0c:15:e7:0d 12:40:24 overwritten for 130.234.138.11 by 00:00:c0:d3:6f:a3 12:47:01 overwritten for 130.234.137.16 by 00:00:0c:15:e7:0d 12:48:18 overwritten for 130.234.137.21 by 00:00:0c:15:e7:0d 12:50:16 overwritten for 130.234.141.6 by 00:00:0c:15:e7:0d 12:51:39 overwritten for 130.234.138.2 by 00:20:af:ac:fe:c7 12:52:02 overwritten for 130.234.141.12 by 00:00:0c:15:e7:0d 12:52:26 overwritten for 130.234.141.6 by 00:a0:24:67:9a:e4 12:52:50 overwritten for 130.234.141.1 by 00:00:0c:15:e7:0d 12:54:00 overwritten for 130.234.137.16 by 00:00:c0:7a:08:67 12:55:27 overwritten for 130.234.137.22 by 00:00:0c:15:e7:0d 12:55:27 overwritten for 130.234.137.22 by 00:00:c0:4c:08:67 12:59:54 overwritten for 130.234.137.43 by 00:00:0c:15:e7:0d 13:00:29 overwritten for 130.234.138.11 by 00:00:0c:15:e7:0d 13:00:29 overwritten for 130.234.138.11 by 00:00:c0:d3:6f:a3 13:00:45 overwritten for 130.234.137.43 by 08:00:07:94:74:83 13:03:16 overwritten for 130.234.141.12 by 00:a0:24:e7:4d:79 13:06:12 overwritten for 130.234.137.19 by 00:00:0c:15:e7:0d 13:06:12 overwritten for 130.234.137.19 by 00:00:c0:91:08:67 13:08:19 overwritten for 130.234.137.21 by 00:00:c0:44:08:67 13:12:39 overwritten for 130.234.141.6 by 00:00:0c:15:e7:0d 13:12:39 overwritten for 130.234.141.6 by 00:a0:24:67:9a:e4 13:15:00 overwritten for 130.234.140.2 by 00:00:0c:15:e7:0d 13:15:27 overwritten for 130.234.137.22 by 00:00:0c:15:e7:0d 13:15:27 overwritten for 130.234.137.22 by 00:00:c0:4c:08:67 13:17:51 overwritten for 130.234.140.2 by 00:00:c0:b9:f9:6b 13:20:30 overwritten for 130.234.138.11 by 00:00:0c:15:e7:0d 13:20:30 overwritten for 130.234.138.11 by 00:00:c0:d3:6f:a3 13:21:17 overwritten for 130.234.137.8 by 00:00:0c:15:e7:0d 13:23:22 overwritten for 130.234.141.12 by 00:00:0c:15:e7:0d 13:23:22 overwritten for 130.234.141.12 by 00:a0:24:e7:4d:79 13:24:16 overwritten for 130.234.137.8 by 00:a0:24:42:bc:73 13:24:17 overwritten for 130.234.137.37 by 00:00:0c:15:e7:0d 13:24:17 overwritten for 130.234.137.37 by 00:00:c0:49:9c:69 13:28:54 overwritten for 130.234.137.21 by 00:00:0c:15:e7:0d 13:32:06 overwritten for 130.234.140.8 by 00:00:0c:15:e7:0d 13:35:49 overwritten for 130.234.137.22 by 00:00:0c:15:e7:0d 13:35:49 overwritten for 130.234.137.22 by 00:00:c0:4c:08:67 13:36:03 overwritten for 130.234.140.8 by 00:00:c0:b2:f9:6b 13:38:20 overwritten for 130.234.137.21 by 00:00:c0:44:08:67 13:40:31 overwritten for 130.234.138.11 by 00:00:0c:15:e7:0d 13:40:31 overwritten for 130.234.138.11 by 00:00:c0:d3:6f:a3 13:40:46 overwritten for 130.234.141.8 by 00:00:0c:15:e7:0d 13:43:16 overwritten for 130.234.137.32 by 00:00:0c:15:e7:0d 13:43:16 overwritten for 130.234.137.32 by 00:00:c0:58:9c:69 13:43:21 overwritten for 130.234.137.52 by 00:00:0c:15:e7:0d 13:43:55 overwritten for 130.234.137.52 by 00:05:02:44:91:de 13:44:17 overwritten for 130.234.137.8 by 00:00:0c:15:e7:0d 13:45:41 overwritten for 130.234.137.37 by 00:00:0c:15:e7:0d 13:45:41 overwritten for 130.234.137.37 by 00:00:c0:49:9c:69 13:48:19 overwritten for 130.234.137.8 by 00:a0:24:42:bc:73 13:48:21 overwritten for 130.234.138.7 by 00:20:af:c9:63:4a 13:48:25 overwritten for 130.234.141.8 by 00:a0:24:76:67:09 13:49:32 overwritten for 130.234.137.30 by 00:00:0c:15:e7:0d 13:54:23 overwritten for 130.234.141.4 by 00:00:0c:15:e7:0d 13:54:35 overwritten for 130.234.137.30 by 00:00:c0:55:9c:69 13:54:52 overwritten for 130.234.141.6 by 00:00:0c:15:e7:0d 13:58:06 overwritten for 130.234.141.4 by 00:a0:24:67:9b:34 13:59:37 overwritten for 130.234.141.6 by 00:a0:24:67:9a:e4 14:01:38 overwritten for 130.234.137.48 by 00:00:0c:15:e7:0d 14:05:41 overwritten for 130.234.137.37 by 00:00:0c:15:e7:0d 14:05:41 overwritten for 130.234.137.37 by 00:00:c0:49:9c:69 14:10:37 overwritten for 130.234.137.19 by 00:00:0c:15:e7:0d 14:10:37 overwritten for 130.234.137.19 by 00:00:c0:91:08:67 14:10:40 overwritten for 130.234.137.52 by 00:00:0c:15:e7:0d 14:11:44 overwritten for 130.234.137.48 by 00:05:02:44:41:c0 14:13:39 overwritten for 130.234.137.46 by 00:00:0c:15:e7:0d 14:14:36 overwritten for 130.234.137.30 by 00:00:0c:15:e7:0d 14:16:07 overwritten for 130.234.139.23 by 00:00:0c:15:e7:0d 14:16:26 overwritten for 130.234.138.8 by 00:00:0c:15:e7:0d 14:18:00 overwritten for 130.234.137.46 by 00:05:02:44:16:5a 14:22:30 overwritten for 130.234.99.2 by 00:00:0c:15:e7:0d 14:26:47 overwritten for 130.234.137.20 by 00:00:0c:15:e7:0d 14:26:47 overwritten for 130.234.137.20 by 00:00:c0:8e:08:67 14:27:00 overwritten for 130.234.99.2 by 00:00:c0:a2:40:23 14:27:13 overwritten for 130.234.141.8 by 00:00:0c:15:e7:0d 14:27:13 overwritten for 130.234.141.8 by 00:a0:24:76:67:09 14:28:07 overwritten for 130.234.137.30 by 00:00:c0:55:9c:69 14:30:19 overwritten for 130.234.99.5 by 00:00:0c:15:e7:0d 14:30:42 overwritten for 130.234.137.19 by 00:00:0c:15:e7:0d 14:30:42 overwritten for 130.234.137.19 by 00:00:c0:91:08:67 14:33:17 overwritten for 130.234.99.5 by 00:00:c0:f4:41:61 14:34:22 overwritten for 130.234.137.25 by 00:00:0c:15:e7:0d 14:38:12 overwritten for 130.234.137.52 by 00:00:0c:15:e7:0d 14:40:40 overwritten for 130.234.137.37 by 00:00:0c:15:e7:0d 14:43:16 overwritten for 130.234.137.52 by 00:05:02:44:91:de 14:43:22 overwritten for 130.234.137.25 by 00:00:c0:de:07:67 14:45:32 overwritten for 130.234.137.10 by 00:00:0c:15:e7:0d 14:45:41 overwritten for 130.234.141.12 by 00:00:0c:15:e7:0d 14:45:41 overwritten for 130.234.141.12 by 00:a0:24:e7:4d:79 14:47:14 overwritten for 130.234.141.8 by 00:00:0c:15:e7:0d 14:47:18 overwritten for 130.234.137.37 by 00:00:c0:49:9c:69 14:50:43 overwritten for 130.234.137.19 by 00:00:0c:15:e7:0d 14:50:43 overwritten for 130.234.137.19 by 00:00:c0:91:08:67 14:50:52 overwritten for 130.234.140.8 by 00:00:0c:15:e7:0d 14:53:19 overwritten for 130.234.99.5 by 00:00:0c:15:e7:0d 14:55:01 overwritten for 130.234.138.9 by 00:20:af:c9:66:da 14:58:10 overwritten for 130.234.140.8 by 00:00:c0:b2:f9:6b 14:59:11 overwritten for 130.234.99.5 by 00:00:c0:f4:41:61 14:59:38 overwritten for 130.234.99.2 by 00:00:0c:15:e7:0d 15:03:24 overwritten for 130.234.137.25 by 00:00:0c:15:e7:0d 15:07:21 overwritten for 130.234.137.37 by 00:00:0c:15:e7:0d 15:07:21 overwritten for 130.234.137.37 by 00:00:c0:49:9c:69 15:07:39 overwritten for 130.234.99.2 by 00:00:c0:a2:40:23 15:08:12 overwritten for 130.234.137.25 by 00:00:c0:de:07:67 15:10:43 overwritten for 130.234.137.19 by 00:00:0c:15:e7:0d 15:10:43 overwritten for 130.234.137.19 by 00:00:c0:91:08:67 15:18:21 overwritten for 130.234.140.8 by 00:00:0c:15:e7:0d 15:21:27 overwritten for 130.234.140.8 by 00:00:c0:b2:f9:6b 15:23:06 overwritten for 130.234.141.6 by 00:00:0c:15:e7:0d 15:23:06 overwritten for 130.234.141.6 by 00:a0:24:67:9a:e4 15:25:08 overwritten for 130.234.138.12 by 00:00:c0:ec:6f:a3 15:26:29 overwritten for 130.234.138.4 by 00:20:af:c9:66:3c 15:27:21 overwritten for 130.234.137.37 by 00:00:0c:15:e7:0d 15:27:21 overwritten for 130.234.137.37 by 00:00:c0:49:9c:69 15:33:34 overwritten for 130.234.137.25 by 00:00:0c:15:e7:0d 15:33:34 overwritten for 130.234.137.25 by 00:00:c0:de:07:67 18:02:01 overwritten for 130.234.99.4 by 00:00:0c:15:e7:0d 18:05:21 overwritten for 130.234.99.4 by 00:00:c0:86:8e:2a 18:59:55 overwritten for 130.234.99.3 by 00:00:0c:15:e7:0d 18:59:55 overwritten for 130.234.99.3 by 00:00:c0:d1:3e:23
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